Patents Assigned to EMPA MATERIALS SCIENCE AND TECHNOLOGY
  • Patent number: 9975777
    Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: May 22, 2018
    Assignees: BASF SE, EMPA MATERIALS SCIENCE AND TECHNOLOGY
    Inventors: Roman Fasel, Pascal Ruffieux, Klaus Muellen, Stephan Blankenburg, Jinming Cai, Xinliang Feng, Carlo Pignedoli, Daniele Passerone
  • Publication number: 20140315023
    Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.
    Type: Application
    Filed: November 13, 2012
    Publication date: October 23, 2014
    Applicants: BASF SE, EMPA MATERIALS SCIENCE AND TECHNOLOGY
    Inventors: Roman Fasel, Pascal Ruffieux, Klaus Muellen, Stephan Blankenburg, Jinming Cai, Xinliang Feng, Carlo Pignedoli, Daniele Passerone